diff options
Diffstat (limited to 'usr/src/uts/common/inet/ip_impl.h')
| -rw-r--r-- | usr/src/uts/common/inet/ip_impl.h | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/usr/src/uts/common/inet/ip_impl.h b/usr/src/uts/common/inet/ip_impl.h index 77e8ab36e0..a91febb854 100644 --- a/usr/src/uts/common/inet/ip_impl.h +++ b/usr/src/uts/common/inet/ip_impl.h @@ -359,11 +359,38 @@ typedef struct ip_mdt_info_s { ill->ill_mdt_capab->ill_mdt_version == MDT_VERSION_2 && \ ill->ill_mdt_capab->ill_mdt_on != 0) +#define ILL_LSO_CAPABLE(ill) \ + (((ill)->ill_capabilities & ILL_CAPAB_LSO) != 0) + +/* + * ioctl identifier and structure for Large Segment Offload + * private M_CTL communication from IP to ULP. + */ +#define LSO_IOC_INFO_UPDATE (('L' << 24) + ('S' << 16) + ('O' << 8)) + +typedef struct ip_lso_info_s { + uint_t lso_info_id; /* LSO_IOC_INFO_UPDATE */ + ill_lso_capab_t lso_capab; /* ILL LSO capabilities */ +} ip_lso_info_t; + +/* + * Macro that determines whether or not a given ILL is allowed for LSO. + */ +#define ILL_LSO_USABLE(ill) \ + (ILL_LSO_CAPABLE(ill) && \ + ill->ill_lso_capab != NULL && \ + ill->ill_lso_capab->ill_lso_version == LSO_VERSION_1 && \ + ill->ill_lso_capab->ill_lso_on != 0) + +#define ILL_LSO_TCP_USABLE(ill) \ + (ILL_LSO_USABLE(ill) && \ + ill->ill_lso_capab->ill_lso_flags & LSO_TX_BASIC_TCP_IPV4) + /* * Macro that determines whether or not a given CONN may be considered - * for fast path prior to proceeding further with Multidata. + * for fast path prior to proceeding further with LSO or Multidata. */ -#define CONN_IS_MD_FASTPATH(connp) \ +#define CONN_IS_LSO_MD_FASTPATH(connp) \ ((connp)->conn_dontroute == 0 && /* SO_DONTROUTE */ \ !((connp)->conn_nexthop_set) && /* IP_NEXTHOP */ \ (connp)->conn_nofailover_ill == NULL && /* IPIF_NOFAILOVER */ \ |