Author: np
Date: Mon Feb 13 19:31:16 2012
New Revision: 231601
URL: http://svn.freebsd.org/changeset/base/231601
Log:
MFC r231172:
Program the MAC exact match table in batches of 7 addresses at
a time when possible. This is more efficient than one at a time.
Modified:
stable/9/sys/dev/cxgbe/t4_main.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/dev/cxgbe/t4_main.c
==============================================================================
--- stable/9/sys/dev/cxgbe/t4_main.c Mon Feb 13 19:25:58 2012
(r231600)
+++ stable/9/sys/dev/cxgbe/t4_main.c Mon Feb 13 19:31:16 2012
(r231601)
@@ -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
}
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);
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