diff options
| author | Andrew Rybchenko <arybchik@FreeBSD.org> | 2015-02-21 06:24:48 +0000 |
|---|---|---|
| committer | Andrew Rybchenko <arybchik@FreeBSD.org> | 2015-02-21 06:24:48 +0000 |
| commit | 45923e76906ddbcb280d40ff56c747a380291e40 (patch) | |
| tree | 49667e4a0a10ac2f27a990725416720f4748c05c /sys/dev/sfxge/sfxge_tx.c | |
| parent | 0f8bd5df8d5588442a8f53c2c79cde42c6e7be6b (diff) | |
Notes
Diffstat (limited to 'sys/dev/sfxge/sfxge_tx.c')
| -rw-r--r-- | sys/dev/sfxge/sfxge_tx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/sfxge/sfxge_tx.c b/sys/dev/sfxge/sfxge_tx.c index ffd5d936e895d..f03d3a735528b 100644 --- a/sys/dev/sfxge/sfxge_tx.c +++ b/sys/dev/sfxge/sfxge_tx.c @@ -72,10 +72,10 @@ __FBSDID("$FreeBSD$"); * maximum mbuf length we might need more than a ring-ful of * descriptors, but this should not happen in practice except * due to deliberate attack. In that case we will truncate - * the output at a packet boundary. Allow for a reasonable - * minimum MSS of 512. + * the output at a packet boundary. */ -#define SFXGE_TSO_MAX_DESC ((65535 / 512) * 2 + SFXGE_TX_MAPPING_MAX_SEG - 1) +#define SFXGE_TSO_MAX_DESC \ + (SFXGE_TSO_MAX_SEGS * 2 + SFXGE_TX_MAPPING_MAX_SEG - 1) #define SFXGE_TXQ_BLOCK_LEVEL(_entries) ((_entries) - SFXGE_TSO_MAX_DESC) #ifdef SFXGE_HAVE_MQ |