Author: arybchik Date: Sat May 16 06:04:53 2015 New Revision: 283000 URL: https://svnweb.freebsd.org/changeset/base/283000
Log: sfxge: add local variable with changed capabilities mask It is required for the next patch which adds dependency of TSO capabilities from Tx checksum offloads. Reviewed by: gnn Sponsored by: Solarflare Communications, Inc. MFC after: 2 days Differential Revision: https://reviews.freebsd.org/D2553 Modified: head/sys/dev/sfxge/sfxge.c Modified: head/sys/dev/sfxge/sfxge.c ============================================================================== --- head/sys/dev/sfxge/sfxge.c Sat May 16 05:59:25 2015 (r282999) +++ head/sys/dev/sfxge/sfxge.c Sat May 16 06:04:53 2015 (r283000) @@ -258,26 +258,36 @@ sfxge_if_ioctl(struct ifnet *ifp, unsign sfxge_mac_filter_set(sc); break; case SIOCSIFCAP: + { + int reqcap = ifr->ifr_reqcap; + int capchg_mask; + SFXGE_ADAPTER_LOCK(sc); + /* Capabilities to be changed in accordance with request */ + capchg_mask = ifp->if_capenable ^ reqcap; + /* * The networking core already rejects attempts to * enable capabilities we don't have. We still have * to reject attempts to disable capabilities that we * can't (yet) disable. */ - if (~ifr->ifr_reqcap & SFXGE_CAP_FIXED) { + KASSERT((reqcap & ~ifp->if_capabilities) == 0, + ("Unsupported capabilities %x requested %x vs %x", + reqcap & ~ifp->if_capabilities, + reqcap , ifp->if_capabilities)); + if (capchg_mask & SFXGE_CAP_FIXED) { error = EINVAL; SFXGE_ADAPTER_UNLOCK(sc); break; } - ifp->if_capenable = ifr->ifr_reqcap; - if (ifp->if_capenable & IFCAP_TXCSUM) + if (reqcap & IFCAP_TXCSUM) ifp->if_hwassist |= (CSUM_IP | CSUM_TCP | CSUM_UDP); else ifp->if_hwassist &= ~(CSUM_IP | CSUM_TCP | CSUM_UDP); - if (ifp->if_capenable & IFCAP_TXCSUM_IPV6) + if (reqcap & IFCAP_TXCSUM_IPV6) ifp->if_hwassist |= (CSUM_TCP_IPV6 | CSUM_UDP_IPV6); else ifp->if_hwassist &= ~(CSUM_TCP_IPV6 | CSUM_UDP_IPV6); @@ -290,8 +300,11 @@ sfxge_if_ioctl(struct ifnet *ifp, unsign * but both bits are set in IPv4 and IPv6 mbufs. */ + ifp->if_capenable = reqcap; + SFXGE_ADAPTER_UNLOCK(sc); break; + } case SIOCSIFMEDIA: case SIOCGIFMEDIA: error = ifmedia_ioctl(ifp, ifr, &sc->media, command); _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
