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sfxge(4): get RSS key to be programmed into NIC from the kernel

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Submitted by:   Ivan Malov <Ivan.Malov at oktetlabs.ru>
Reviewed by:    gnn
Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D6719
This commit is contained in:
Andrew Rybchenko 2016-06-06 09:05:06 +00:00
parent bc2b508634
commit 2da8819492
1 changed files with 13 additions and 0 deletions
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13
sys/dev/sfxge/sfxge_rx.c
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@ -34,6 +34,8 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_rss.h"
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
@ -55,6 +57,10 @@ __FBSDID("$FreeBSD$");
#include <machine/in_cksum.h>
#ifdef RSS
#include <net/rss_config.h>
#endif
#include "common/efx.h"
@ -160,6 +166,9 @@ sfxge_rx_qflush_failed(struct sfxge_rxq *rxq)
rxq->flush_state = SFXGE_FLUSH_FAILED;
}
#ifdef RSS
static uint8_t toep_key[RSS_KEYSIZE];
#else
static uint8_t toep_key[] = {
0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2,
0x41, 0x67, 0x25, 0x3d, 0x43, 0xa3, 0x8f, 0xb0,
@ -167,6 +176,7 @@ static uint8_t toep_key[] = {
0x77, 0xcb, 0x2d, 0xa3, 0x80, 0x30, 0xf2, 0x0c,
0x6a, 0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa
};
#endif
static void
sfxge_rx_post_refill(void *arg)
@ -1127,6 +1137,9 @@ sfxge_rx_start(struct sfxge_softc *sc)
(1 << EFX_RX_HASH_IPV4) | (1 << EFX_RX_HASH_TCPIPV4) |
(1 << EFX_RX_HASH_IPV6) | (1 << EFX_RX_HASH_TCPIPV6), B_TRUE);
#ifdef RSS
rss_getkey(toep_key);
#endif
if ((rc = efx_rx_scale_key_set(sc->enp, toep_key,
sizeof(toep_key))) != 0)
goto fail;