aboutsummaryrefslogtreecommitdiff
path: root/sys
diff options
context:
space:
mode:
Diffstat (limited to 'sys')
-rw-r--r--sys/arm64/arm64/cpu_errata.c96
-rw-r--r--sys/arm64/arm64/spec_workaround.c166
-rw-r--r--sys/conf/files.arm641
-rw-r--r--sys/contrib/openzfs/module/os/freebsd/zfs/sysctl_os.c41
-rw-r--r--sys/dev/ixl/if_ixl.c27
-rw-r--r--sys/dev/ixl/ixl.h1
-rw-r--r--sys/dev/ixl/ixl_pf_main.c110
-rw-r--r--sys/fs/unionfs/union_vnops.c10
-rw-r--r--sys/netinet/tcp_input.c2
-rw-r--r--sys/netinet/tcp_output.c2
-rw-r--r--sys/sys/sockbuf.h2
11 files changed, 326 insertions, 132 deletions
diff --git a/sys/arm64/arm64/cpu_errata.c b/sys/arm64/arm64/cpu_errata.c
index 989924bc0567..b876703a2a15 100644
--- a/sys/arm64/arm64/cpu_errata.c
+++ b/sys/arm64/arm64/cpu_errata.c
@@ -52,56 +52,11 @@ struct cpu_quirks {
u_int flags;
};
-static enum {
- SSBD_FORCE_ON,
- SSBD_FORCE_OFF,
- SSBD_KERNEL,
-} ssbd_method = SSBD_KERNEL;
-
-static cpu_quirk_install install_psci_bp_hardening;
-static cpu_quirk_install install_ssbd_workaround;
static cpu_quirk_install install_thunderx_bcast_tlbi_workaround;
static struct cpu_quirks cpu_quirks[] = {
{
.midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
- .midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A57,0,0),
- .quirk_install = install_psci_bp_hardening,
- .flags = CPU_QUIRK_POST_DEVICE,
- },
- {
- .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
- .midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A72,0,0),
- .quirk_install = install_psci_bp_hardening,
- .flags = CPU_QUIRK_POST_DEVICE,
- },
- {
- .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
- .midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A73,0,0),
- .quirk_install = install_psci_bp_hardening,
- .flags = CPU_QUIRK_POST_DEVICE,
- },
- {
- .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
- .midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A75,0,0),
- .quirk_install = install_psci_bp_hardening,
- .flags = CPU_QUIRK_POST_DEVICE,
- },
- {
- .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
- .midr_value =
- CPU_ID_RAW(CPU_IMPL_CAVIUM, CPU_PART_THUNDERX2, 0,0),
- .quirk_install = install_psci_bp_hardening,
- .flags = CPU_QUIRK_POST_DEVICE,
- },
- {
- .midr_mask = 0,
- .midr_value = 0,
- .quirk_install = install_ssbd_workaround,
- .flags = CPU_QUIRK_POST_DEVICE,
- },
- {
- .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
.midr_value =
CPU_ID_RAW(CPU_IMPL_CAVIUM, CPU_PART_THUNDERX, 0, 0),
.quirk_install = install_thunderx_bcast_tlbi_workaround,
@@ -114,57 +69,6 @@ static struct cpu_quirks cpu_quirks[] = {
},
};
-static void
-install_psci_bp_hardening(void)
-{
- /* SMCCC depends on PSCI. If PSCI is missing so is SMCCC */
- if (!psci_present)
- return;
-
- if (smccc_arch_features(SMCCC_ARCH_WORKAROUND_1) != SMCCC_RET_SUCCESS)
- return;
-
- PCPU_SET(bp_harden, smccc_arch_workaround_1);
-}
-
-static void
-install_ssbd_workaround(void)
-{
- char *env;
-
- if (PCPU_GET(cpuid) == 0) {
- env = kern_getenv("kern.cfg.ssbd");
- if (env != NULL) {
- if (strcmp(env, "force-on") == 0) {
- ssbd_method = SSBD_FORCE_ON;
- } else if (strcmp(env, "force-off") == 0) {
- ssbd_method = SSBD_FORCE_OFF;
- }
- }
- }
-
- /* SMCCC depends on PSCI. If PSCI is missing so is SMCCC */
- if (!psci_present)
- return;
-
- /* Enable the workaround on this CPU if it's enabled in the firmware */
- if (smccc_arch_features(SMCCC_ARCH_WORKAROUND_2) != SMCCC_RET_SUCCESS)
- return;
-
- switch(ssbd_method) {
- case SSBD_FORCE_ON:
- smccc_arch_workaround_2(1);
- break;
- case SSBD_FORCE_OFF:
- smccc_arch_workaround_2(0);
- break;
- case SSBD_KERNEL:
- default:
- PCPU_SET(ssbd, smccc_arch_workaround_2);
- break;
- }
-}
-
/*
* Workaround Cavium erratum 27456.
*
diff --git a/sys/arm64/arm64/spec_workaround.c b/sys/arm64/arm64/spec_workaround.c
new file mode 100644
index 000000000000..7f4f86cdb48c
--- /dev/null
+++ b/sys/arm64/arm64/spec_workaround.c
@@ -0,0 +1,166 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025 Arm Ltd
+ * Copyright (c) 2018 Andrew Turner
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
+ * ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/pcpu.h>
+#include <sys/systm.h>
+
+#include <machine/cpu.h>
+#include <machine/cpu_feat.h>
+
+#include <dev/psci/psci.h>
+#include <dev/psci/smccc.h>
+
+static enum {
+ SSBD_FORCE_ON,
+ SSBD_FORCE_OFF,
+ SSBD_KERNEL,
+} ssbd_method = SSBD_KERNEL;
+
+struct psci_bp_hardening_impl {
+ u_int midr_mask;
+ u_int midr_value;
+};
+
+static struct psci_bp_hardening_impl psci_bp_hardening_impl[] = {
+ {
+ .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
+ .midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A57,0,0),
+ },
+ {
+ .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
+ .midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A72,0,0),
+ },
+ {
+ .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
+ .midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A73,0,0),
+ },
+ {
+ .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
+ .midr_value = CPU_ID_RAW(CPU_IMPL_ARM, CPU_PART_CORTEX_A75,0,0),
+ },
+ {
+ .midr_mask = CPU_IMPL_MASK | CPU_PART_MASK,
+ .midr_value =
+ CPU_ID_RAW(CPU_IMPL_CAVIUM, CPU_PART_THUNDERX2, 0,0),
+ }
+};
+
+static cpu_feat_en
+psci_bp_hardening_check(const struct cpu_feat *feat __unused, u_int midr)
+{
+ size_t i;
+
+ for (i = 0; i < nitems(psci_bp_hardening_impl); i++) {
+ if ((midr & psci_bp_hardening_impl[i].midr_mask) ==
+ psci_bp_hardening_impl[i].midr_value) {
+ /* SMCCC depends on PSCI. If PSCI is missing so is SMCCC */
+ if (!psci_present)
+ return (FEAT_ALWAYS_DISABLE);
+
+ if (smccc_arch_features(SMCCC_ARCH_WORKAROUND_1) !=
+ SMCCC_RET_SUCCESS)
+ return (FEAT_ALWAYS_DISABLE);
+
+ return (FEAT_DEFAULT_ENABLE);
+ }
+ }
+
+ return (FEAT_ALWAYS_DISABLE);
+}
+
+static bool
+psci_bp_hardening_enable(const struct cpu_feat *feat __unused,
+ cpu_feat_errata errata_status __unused, u_int *errata_list __unused,
+ u_int errata_count __unused)
+{
+ PCPU_SET(bp_harden, smccc_arch_workaround_1);
+
+ return (true);
+}
+
+CPU_FEAT(feat_csv2_missing, "Branch Predictor Hardening",
+ psci_bp_hardening_check, NULL, psci_bp_hardening_enable, NULL,
+ CPU_FEAT_AFTER_DEV | CPU_FEAT_PER_CPU);
+
+static cpu_feat_en
+ssbd_workaround_check(const struct cpu_feat *feat __unused, u_int midr __unused)
+{
+ char *env;
+
+ if (PCPU_GET(cpuid) == 0) {
+ env = kern_getenv("kern.cfg.ssbd");
+ if (env != NULL) {
+ if (strcmp(env, "force-on") == 0) {
+ ssbd_method = SSBD_FORCE_ON;
+ } else if (strcmp(env, "force-off") == 0) {
+ ssbd_method = SSBD_FORCE_OFF;
+ }
+ }
+ }
+
+ /* SMCCC depends on PSCI. If PSCI is missing so is SMCCC */
+ if (!psci_present)
+ return (FEAT_ALWAYS_DISABLE);
+
+ /* Enable the workaround on this CPU if it's enabled in the firmware */
+ if (smccc_arch_features(SMCCC_ARCH_WORKAROUND_2) != SMCCC_RET_SUCCESS)
+ return (FEAT_ALWAYS_DISABLE);
+
+ return (FEAT_DEFAULT_ENABLE);
+}
+
+static bool
+ssbd_workaround_enable(const struct cpu_feat *feat __unused,
+ cpu_feat_errata errata_status __unused, u_int *errata_list __unused,
+ u_int errata_count __unused)
+{
+ switch(ssbd_method) {
+ case SSBD_FORCE_ON:
+ smccc_arch_workaround_2(1);
+ break;
+ case SSBD_FORCE_OFF:
+ smccc_arch_workaround_2(0);
+ break;
+ case SSBD_KERNEL:
+ default:
+ PCPU_SET(ssbd, smccc_arch_workaround_2);
+ break;
+ }
+
+ return (true);
+}
+
+CPU_FEAT(feat_ssbs_missing, "Speculator Store Bypass Disable Workaround",
+ ssbd_workaround_check, NULL, ssbd_workaround_enable, NULL,
+ CPU_FEAT_AFTER_DEV | CPU_FEAT_PER_CPU);
diff --git a/sys/conf/files.arm64 b/sys/conf/files.arm64
index 856ea3af1372..2f412fa3cb1b 100644
--- a/sys/conf/files.arm64
+++ b/sys/conf/files.arm64
@@ -73,6 +73,7 @@ arm64/arm64/pmap.c standard
arm64/arm64/ptrace_machdep.c standard
arm64/arm64/sdt_machdep.c optional kdtrace_hooks
arm64/arm64/sigtramp.S standard
+arm64/arm64/spec_workaround.c standard
arm64/arm64/stack_machdep.c optional ddb | stack
arm64/arm64/strcmp.S standard
arm64/arm64/strncmp.S standard
diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/sysctl_os.c b/sys/contrib/openzfs/module/os/freebsd/zfs/sysctl_os.c
index ace2360c032d..ebc2c0eeb6d2 100644
--- a/sys/contrib/openzfs/module/os/freebsd/zfs/sysctl_os.c
+++ b/sys/contrib/openzfs/module/os/freebsd/zfs/sysctl_os.c
@@ -163,6 +163,13 @@ param_set_arc_int(SYSCTL_HANDLER_ARGS)
return (0);
}
+static void
+warn_deprecated_sysctl(const char *old, const char *new)
+{
+ printf("WARNING: sysctl vfs.zfs.%s is deprecated. Use vfs.zfs.%s instead.\n",
+ old, new);
+}
+
int
param_set_arc_max(SYSCTL_HANDLER_ARGS)
{
@@ -185,12 +192,15 @@ param_set_arc_max(SYSCTL_HANDLER_ARGS)
if (val != 0)
zfs_arc_max = arc_c_max;
+ if (arg2 != 0)
+ warn_deprecated_sysctl("arc_max", "arc.max");
+
return (0);
}
SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_max,
CTLTYPE_ULONG | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
- NULL, 0, param_set_arc_max, "LU",
+ NULL, 1, param_set_arc_max, "LU",
"Maximum ARC size in bytes (LEGACY)");
int
@@ -214,12 +224,15 @@ param_set_arc_min(SYSCTL_HANDLER_ARGS)
if (val != 0)
zfs_arc_min = arc_c_min;
+ if (arg2 != 0)
+ warn_deprecated_sysctl("arc_min", "arc.min");
+
return (0);
}
SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_min,
CTLTYPE_ULONG | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
- NULL, 0, param_set_arc_min, "LU",
+ NULL, 1, param_set_arc_min, "LU",
"Minimum ARC size in bytes (LEGACY)");
extern uint_t zfs_arc_free_target;
@@ -242,6 +255,9 @@ param_set_arc_free_target(SYSCTL_HANDLER_ARGS)
zfs_arc_free_target = val;
+ if (arg2 != 0)
+ warn_deprecated_sysctl("arc_free_target", "arc.free_target");
+
return (0);
}
@@ -251,7 +267,7 @@ param_set_arc_free_target(SYSCTL_HANDLER_ARGS)
*/
SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_free_target,
CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE,
- NULL, 0, param_set_arc_free_target, "IU",
+ NULL, 1, param_set_arc_free_target, "IU",
"Desired number of free pages below which ARC triggers reclaim"
" (LEGACY)");
@@ -270,12 +286,15 @@ param_set_arc_no_grow_shift(SYSCTL_HANDLER_ARGS)
arc_no_grow_shift = val;
+ if (arg2 != 0)
+ warn_deprecated_sysctl("arc_no_grow_shift", "arc.no_grow_shift");
+
return (0);
}
SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_no_grow_shift,
CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
- NULL, 0, param_set_arc_no_grow_shift, "I",
+ NULL, 1, param_set_arc_no_grow_shift, "I",
"log2(fraction of ARC which must be free to allow growing) (LEGACY)");
extern uint64_t l2arc_write_max;
@@ -746,12 +765,15 @@ param_set_min_auto_ashift(SYSCTL_HANDLER_ARGS)
zfs_vdev_min_auto_ashift = val;
+ if (arg2 != 0)
+ warn_deprecated_sysctl("min_auto_ashift",
+ "vdev.min_auto_ashift");
+
return (0);
}
SYSCTL_PROC(_vfs_zfs, OID_AUTO, min_auto_ashift,
- CTLTYPE_UINT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
- &zfs_vdev_min_auto_ashift, sizeof (zfs_vdev_min_auto_ashift),
+ CTLTYPE_UINT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, NULL, 1,
param_set_min_auto_ashift, "IU",
"Min ashift used when creating new top-level vdev. (LEGACY)");
@@ -771,12 +793,15 @@ param_set_max_auto_ashift(SYSCTL_HANDLER_ARGS)
zfs_vdev_max_auto_ashift = val;
+ if (arg2 != 0)
+ warn_deprecated_sysctl("max_auto_ashift",
+ "vdev.max_auto_ashift");
+
return (0);
}
SYSCTL_PROC(_vfs_zfs, OID_AUTO, max_auto_ashift,
- CTLTYPE_UINT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
- &zfs_vdev_max_auto_ashift, sizeof (zfs_vdev_max_auto_ashift),
+ CTLTYPE_UINT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, NULL, 1,
param_set_max_auto_ashift, "IU",
"Max ashift used when optimizing for logical -> physical sector size on"
" new top-level vdevs. (LEGACY)");
diff --git a/sys/dev/ixl/if_ixl.c b/sys/dev/ixl/if_ixl.c
index 261f76055901..bfaf6cd69e58 100644
--- a/sys/dev/ixl/if_ixl.c
+++ b/sys/dev/ixl/if_ixl.c
@@ -1480,17 +1480,33 @@ ixl_if_multi_set(if_ctx_t ctx)
struct ixl_pf *pf = iflib_get_softc(ctx);
struct ixl_vsi *vsi = &pf->vsi;
struct i40e_hw *hw = vsi->hw;
+ enum i40e_status_code status;
int mcnt;
+ if_t ifp = iflib_get_ifp(ctx);
IOCTL_DEBUGOUT("ixl_if_multi_set: begin");
/* Delete filters for removed multicast addresses */
ixl_del_multi(vsi, false);
- mcnt = min(if_llmaddr_count(iflib_get_ifp(ctx)), MAX_MULTICAST_ADDR);
+ mcnt = min(if_llmaddr_count(ifp), MAX_MULTICAST_ADDR);
if (__predict_false(mcnt == MAX_MULTICAST_ADDR)) {
- i40e_aq_set_vsi_multicast_promiscuous(hw,
+ /* Check if promisc mode is already enabled, if yes return */
+ if (vsi->flags & IXL_FLAGS_MC_PROMISC)
+ return;
+
+ status = i40e_aq_set_vsi_multicast_promiscuous(hw,
vsi->seid, TRUE, NULL);
+ if (status != I40E_SUCCESS)
+ if_printf(ifp, "Failed to enable multicast promiscuous "
+ "mode, status: %s\n", i40e_stat_str(hw, status));
+ else {
+ if_printf(ifp, "Enabled multicast promiscuous mode\n");
+
+ /* Set the flag to track promiscuous mode */
+ vsi->flags |= IXL_FLAGS_MC_PROMISC;
+ }
+ /* Delete all existing MC filters */
ixl_del_multi(vsi, true);
return;
}
@@ -1693,6 +1709,13 @@ ixl_if_promisc_set(if_ctx_t ctx, int flags)
return (err);
err = i40e_aq_set_vsi_multicast_promiscuous(hw,
vsi->seid, multi, NULL);
+
+ /* Update the multicast promiscuous flag based on the new state */
+ if (multi)
+ vsi->flags |= IXL_FLAGS_MC_PROMISC;
+ else
+ vsi->flags &= ~IXL_FLAGS_MC_PROMISC;
+
return (err);
}
diff --git a/sys/dev/ixl/ixl.h b/sys/dev/ixl/ixl.h
index 95379448b570..ab0f38307d90 100644
--- a/sys/dev/ixl/ixl.h
+++ b/sys/dev/ixl/ixl.h
@@ -202,6 +202,7 @@
#define IXL_FLAGS_KEEP_TSO6 (1 << 1)
#define IXL_FLAGS_USES_MSIX (1 << 2)
#define IXL_FLAGS_IS_VF (1 << 3)
+#define IXL_FLAGS_MC_PROMISC (1 << 4)
#define IXL_VSI_IS_PF(v) ((v->flags & IXL_FLAGS_IS_VF) == 0)
#define IXL_VSI_IS_VF(v) ((v->flags & IXL_FLAGS_IS_VF) != 0)
diff --git a/sys/dev/ixl/ixl_pf_main.c b/sys/dev/ixl/ixl_pf_main.c
index 1752efc02fff..b62619ced5cb 100644
--- a/sys/dev/ixl/ixl_pf_main.c
+++ b/sys/dev/ixl/ixl_pf_main.c
@@ -593,24 +593,29 @@ ixl_add_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
* Routines for multicast and vlan filter management.
*
*********************************************************************/
+
+/**
+ * ixl_add_multi - Add multicast filters to the hardware
+ * @vsi: The VSI structure
+ *
+ * In case number of multicast filters in the IFP exceeds 127 entries,
+ * multicast promiscuous mode will be enabled and the filters will be removed
+ * from the hardware
+ */
void
ixl_add_multi(struct ixl_vsi *vsi)
{
if_t ifp = vsi->ifp;
- struct i40e_hw *hw = vsi->hw;
int mcnt = 0;
struct ixl_add_maddr_arg cb_arg;
IOCTL_DEBUGOUT("ixl_add_multi: begin");
- mcnt = if_llmaddr_count(ifp);
- if (__predict_false(mcnt >= MAX_MULTICAST_ADDR)) {
- i40e_aq_set_vsi_multicast_promiscuous(hw,
- vsi->seid, TRUE, NULL);
- /* delete all existing MC filters */
- ixl_del_multi(vsi, true);
- return;
- }
+ /*
+ * There is no need to check if the number of multicast addresses
+ * exceeds the MAX_MULTICAST_ADDR threshold and set promiscuous mode
+ * here, as all callers already handle this case.
+ */
cb_arg.vsi = vsi;
LIST_INIT(&cb_arg.to_add);
@@ -633,30 +638,103 @@ ixl_match_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
return (0);
}
+/**
+ * ixl_dis_multi_promisc - Disable multicast promiscuous mode
+ * @vsi: The VSI structure
+ * @vsi_mcnt: Number of multicast filters in the VSI
+ *
+ * Disable multicast promiscuous mode based on number of entries in the IFP
+ * and the VSI, then re-add multicast filters.
+ *
+ */
+static void
+ixl_dis_multi_promisc(struct ixl_vsi *vsi, int vsi_mcnt)
+{
+ struct ifnet *ifp = vsi->ifp;
+ struct i40e_hw *hw = vsi->hw;
+ int ifp_mcnt = 0;
+ enum i40e_status_code status;
+
+ /*
+ * Check if multicast promiscuous mode was actually enabled.
+ * If promiscuous mode was not enabled, don't attempt to disable it.
+ * Also, don't disable if IFF_PROMISC or IFF_ALLMULTI is set.
+ */
+ if (!(vsi->flags & IXL_FLAGS_MC_PROMISC) ||
+ (if_getflags(ifp) & (IFF_PROMISC | IFF_ALLMULTI)))
+ return;
+
+ ifp_mcnt = if_llmaddr_count(ifp);
+ /*
+ * Equal lists or empty ifp list mean the list has not been changed
+ * and in such case avoid disabling multicast promiscuous mode as it
+ * was not previously enabled. Case where multicast promiscuous mode has
+ * been enabled is when vsi_mcnt == 0 && ifp_mcnt > 0.
+ */
+ if (ifp_mcnt == vsi_mcnt || ifp_mcnt == 0 ||
+ ifp_mcnt >= MAX_MULTICAST_ADDR)
+ return;
+
+ status = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
+ FALSE, NULL);
+ if (status != I40E_SUCCESS) {
+ if_printf(ifp, "Failed to disable multicast promiscuous "
+ "mode, status: %s\n", i40e_stat_str(hw, status));
+
+ return;
+ }
+
+ /* Clear the flag since promiscuous mode is now disabled */
+ vsi->flags &= ~IXL_FLAGS_MC_PROMISC;
+ if_printf(ifp, "Disabled multicast promiscuous mode\n");
+
+ ixl_add_multi(vsi);
+}
+
+/**
+ * ixl_del_multi - Delete multicast filters from the hardware
+ * @vsi: The VSI structure
+ * @all: Bool to determine if all the multicast filters should be removed
+ *
+ * In case number of multicast filters in the IFP drops to 127 entries,
+ * multicast promiscuous mode will be disabled and the filters will be reapplied
+ * to the hardware.
+ */
void
ixl_del_multi(struct ixl_vsi *vsi, bool all)
{
- struct ixl_ftl_head to_del;
+ int to_del_cnt = 0, vsi_mcnt = 0;
if_t ifp = vsi->ifp;
struct ixl_mac_filter *f, *fn;
- int mcnt = 0;
+ struct ixl_ftl_head to_del;
IOCTL_DEBUGOUT("ixl_del_multi: begin");
LIST_INIT(&to_del);
/* Search for removed multicast addresses */
LIST_FOREACH_SAFE(f, &vsi->ftl, ftle, fn) {
- if ((f->flags & IXL_FILTER_MC) == 0 ||
- (!all && (if_foreach_llmaddr(ifp, ixl_match_maddr, f) == 0)))
+ if ((f->flags & IXL_FILTER_MC) == 0)
+ continue;
+
+ /* Count all the multicast filters in the VSI for comparison */
+ vsi_mcnt++;
+
+ if (!all && if_foreach_llmaddr(ifp, ixl_match_maddr, f) != 0)
continue;
LIST_REMOVE(f, ftle);
LIST_INSERT_HEAD(&to_del, f, ftle);
- mcnt++;
+ to_del_cnt++;
}
- if (mcnt > 0)
- ixl_del_hw_filters(vsi, &to_del, mcnt);
+ if (to_del_cnt > 0) {
+ ixl_del_hw_filters(vsi, &to_del, to_del_cnt);
+ return;
+ }
+
+ ixl_dis_multi_promisc(vsi, vsi_mcnt);
+
+ IOCTL_DEBUGOUT("ixl_del_multi: end");
}
void
diff --git a/sys/fs/unionfs/union_vnops.c b/sys/fs/unionfs/union_vnops.c
index 26fa14603c85..66fee97a07d5 100644
--- a/sys/fs/unionfs/union_vnops.c
+++ b/sys/fs/unionfs/union_vnops.c
@@ -2208,7 +2208,6 @@ unionfs_lock_restart:
vholdnz(tvp);
VI_UNLOCK(vp);
error = VOP_LOCK(tvp, flags);
- vdrop(tvp);
if (error == 0 && (lvp_locked || VTOUNIONFS(vp) == NULL)) {
/*
* After dropping the interlock above, there exists a window
@@ -2234,6 +2233,7 @@ unionfs_lock_restart:
unp = VTOUNIONFS(vp);
if (unp == NULL || unp->un_uppervp != NULL) {
VOP_UNLOCK(tvp);
+ vdrop(tvp);
/*
* If we previously held the lock, the upgrade may
* have temporarily dropped the lock, in which case
@@ -2249,6 +2249,7 @@ unionfs_lock_restart:
goto unionfs_lock_restart;
}
}
+ vdrop(tvp);
return (error);
}
@@ -2259,7 +2260,6 @@ unionfs_unlock(struct vop_unlock_args *ap)
struct vnode *vp;
struct vnode *tvp;
struct unionfs_node *unp;
- int error;
KASSERT_UNIONFS_VNODE(ap->a_vp);
@@ -2271,11 +2271,7 @@ unionfs_unlock(struct vop_unlock_args *ap)
tvp = (unp->un_uppervp != NULL ? unp->un_uppervp : unp->un_lowervp);
- vholdnz(tvp);
- error = VOP_UNLOCK(tvp);
- vdrop(tvp);
-
- return (error);
+ return (VOP_UNLOCK(tvp));
}
static int
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c
index dd27ec77c1af..2146b0cac48f 100644
--- a/sys/netinet/tcp_input.c
+++ b/sys/netinet/tcp_input.c
@@ -219,7 +219,7 @@ SYSCTL_INT(_net_inet_tcp, OID_AUTO, recvbuf_auto, CTLFLAG_VNET | CTLFLAG_RW,
&VNET_NAME(tcp_do_autorcvbuf), 0,
"Enable automatic receive buffer sizing");
-VNET_DEFINE(int, tcp_autorcvbuf_max) = 2*1024*1024;
+VNET_DEFINE(int, tcp_autorcvbuf_max) = 8*1024*1024;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, recvbuf_max, CTLFLAG_VNET | CTLFLAG_RW,
&VNET_NAME(tcp_autorcvbuf_max), 0,
"Max size of automatic receive buffer");
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
index 2dfb7faf56e3..208f72c4661c 100644
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -123,7 +123,7 @@ SYSCTL_INT(_net_inet_tcp, OID_AUTO, sendbuf_inc, CTLFLAG_VNET | CTLFLAG_RW,
&VNET_NAME(tcp_autosndbuf_inc), 0,
"Incrementor step size of automatic send buffer");
-VNET_DEFINE(int, tcp_autosndbuf_max) = 2*1024*1024;
+VNET_DEFINE(int, tcp_autosndbuf_max) = 8*1024*1024;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, sendbuf_max, CTLFLAG_VNET | CTLFLAG_RW,
&VNET_NAME(tcp_autosndbuf_max), 0,
"Max size of automatic send buffer");
diff --git a/sys/sys/sockbuf.h b/sys/sys/sockbuf.h
index b4593f38f592..739723754b7d 100644
--- a/sys/sys/sockbuf.h
+++ b/sys/sys/sockbuf.h
@@ -62,7 +62,7 @@
#include <sys/_sx.h>
#include <sys/_task.h>
-#define SB_MAX (2*1024*1024) /* default for max chars in sockbuf */
+#define SB_MAX (8*1024*1024) /* default for max chars in sockbuf */
struct ktls_session;
struct mbuf;