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Program the MAC exact match table in batches of 7 addresses at

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a time when possible.  This is more efficient than one at a time.

Submitted by:	gnn
MFC after:	3 days
This commit is contained in:
Navdeep Parhar 2012-02-08 00:36:36 +00:00
parent 2f1602a7d1
commit 62795b70eb
1 changed files with 41 additions and 10 deletions
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51
sys/dev/cxgbe/t4_main.c
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@ -2013,6 +2013,8 @@ build_medialist(struct port_info *pi)
PORT_UNLOCK(pi);
}
#define FW_MAC_EXACT_CHUNK 7
/*
* Program the port's XGMAC based on parameters in ifnet. The caller also
* indicates which parameters should be programmed (the rest are left alone).
@ -2064,28 +2066,57 @@ update_mac_settings(struct port_info *pi, int flags)
}
if (flags & XGMAC_MCADDRS) {
const uint8_t *mcaddr;
const uint8_t *mcaddr[FW_MAC_EXACT_CHUNK];
int del = 1;
uint64_t hash = 0;
struct ifmultiaddr *ifma;
int i = 0, j;
if_maddr_rlock(ifp);
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
if (ifma->ifma_addr->sa_family == AF_LINK)
continue;
mcaddr = LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
mcaddr[i++] =
LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
rc = t4_alloc_mac_filt(sc, sc->mbox, pi->viid, del, 1,
&mcaddr, NULL, &hash, 0);
if (i == FW_MAC_EXACT_CHUNK) {
rc = t4_alloc_mac_filt(sc, sc->mbox, pi->viid,
del, i, mcaddr, NULL, &hash, 0);
if (rc < 0) {
rc = -rc;
for (j = 0; j < i; j++) {
if_printf(ifp,
"failed to add mc address"
" %02x:%02x:%02x:"
"%02x:%02x:%02x rc=%d\n",
mcaddr[j][0], mcaddr[j][1],
mcaddr[j][2], mcaddr[j][3],
mcaddr[j][4], mcaddr[j][5],
rc);
}
goto mcfail;
}
del = 0;
i = 0;
}
}
if (i > 0) {
rc = t4_alloc_mac_filt(sc, sc->mbox, pi->viid,
del, i, mcaddr, NULL, &hash, 0);
if (rc < 0) {
rc = -rc;
if_printf(ifp, "failed to add mc address"
" %02x:%02x:%02x:%02x:%02x:%02x rc=%d\n",
mcaddr[0], mcaddr[1], mcaddr[2], mcaddr[3],
mcaddr[4], mcaddr[5], rc);
for (j = 0; j < i; j++) {
if_printf(ifp,
"failed to add mc address"
" %02x:%02x:%02x:"
"%02x:%02x:%02x rc=%d\n",
mcaddr[j][0], mcaddr[j][1],
mcaddr[j][2], mcaddr[j][3],
mcaddr[j][4], mcaddr[j][5],
rc);
}
goto mcfail;
}
del = 0;
}
rc = -t4_set_addr_hash(sc, sc->mbox, pi->viid, 0, hash, 0);