diff options
Diffstat (limited to 'sys/dev/vmware/vmxnet3/if_vmx.c')
| -rw-r--r-- | sys/dev/vmware/vmxnet3/if_vmx.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/sys/dev/vmware/vmxnet3/if_vmx.c b/sys/dev/vmware/vmxnet3/if_vmx.c index b1bbef87bb55..e0474484967d 100644 --- a/sys/dev/vmware/vmxnet3/if_vmx.c +++ b/sys/dev/vmware/vmxnet3/if_vmx.c @@ -381,6 +381,12 @@ vmxnet3_attach_pre(if_ctx_t ctx) scctx->isc_rxqsizes[2] = sizeof(struct vmxnet3_rxdesc) * scctx->isc_nrxd[2]; + /* + * Initialize the max frame size and descriptor queue buffer + * sizes. + */ + vmxnet3_mtu_set(ctx, if_getmtu(sc->vmx_ifp)); + scctx->isc_rss_table_size = UPT1_RSS_MAX_IND_TABLE_SIZE; /* Map PCI BARs */ @@ -1943,13 +1949,8 @@ static void vmxnet3_init(if_ctx_t ctx) { struct vmxnet3_softc *sc; - if_softc_ctx_t scctx; sc = iflib_get_softc(ctx); - scctx = sc->vmx_scctx; - - scctx->isc_max_frame_size = if_getmtu(iflib_get_ifp(ctx)) + - ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN; /* Use the current MAC address. */ bcopy(IF_LLADDR(sc->vmx_ifp), sc->vmx_lladdr, ETHER_ADDR_LEN); @@ -1975,11 +1976,37 @@ vmxnet3_multi_set(if_ctx_t ctx) static int vmxnet3_mtu_set(if_ctx_t ctx, uint32_t mtu) { + struct vmxnet3_softc *sc; + if_softc_ctx_t scctx; + + sc = iflib_get_softc(ctx); + scctx = sc->vmx_scctx; if (mtu > VMXNET3_TX_MAXSIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN)) return (EINVAL); + /* + * Update the max frame size so that the rx mbuf size is + * chosen based on the new mtu during the interface init that + * will occur after this routine returns. + */ + scctx->isc_max_frame_size = mtu + + ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN; + /* RX completion queue - n/a */ + scctx->isc_rxd_buf_size[0] = 0; + /* + * For header-type descriptors (used for first segment of + * packet), let iflib determine the buffer size based on the + * max frame size. + */ + scctx->isc_rxd_buf_size[1] = 0; + /* + * For body-type descriptors (used for jumbo frames and LRO), + * always use page-sized buffers. + */ + scctx->isc_rxd_buf_size[2] = MJUMPAGESIZE; + return (0); } |