Author: sephe Date: Tue Mar 1 04:59:18 2016 New Revision: 296252 URL: https://svnweb.freebsd.org/changeset/base/296252
Log: hyperv/hn: Set hash per-packet-info for each packet transmission So that the host could dispatch the TX done back to this TX ring's owner channel MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D5498 Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.h head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c head/sys/dev/hyperv/netvsc/hv_rndis.h Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.h ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_net_vsc.h Tue Mar 1 03:41:48 2016 (r296251) +++ head/sys/dev/hyperv/netvsc/hv_net_vsc.h Tue Mar 1 04:59:18 2016 (r296252) @@ -1039,6 +1039,7 @@ struct hn_tx_ring { struct buf_ring *hn_mbuf_br; int hn_oactive; + int hn_tx_idx; struct mtx hn_tx_lock; struct hn_softc *hn_sc; Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Tue Mar 1 03:41:48 2016 (r296251) +++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Tue Mar 1 04:59:18 2016 (r296252) @@ -138,6 +138,7 @@ __FBSDID("$FreeBSD$"); #define HN_RNDIS_MSG_LEN \ (sizeof(rndis_msg) + \ + RNDIS_HASH_PPI_SIZE + \ RNDIS_VLAN_PPI_SIZE + \ RNDIS_TSO_PPI_SIZE + \ RNDIS_CSUM_PPI_SIZE) @@ -737,6 +738,7 @@ hn_encap(struct hn_tx_ring *txr, struct rndis_msg *rndis_mesg; rndis_packet *rndis_pkt; rndis_per_packet_info *rppi; + struct ndis_hash_info *hash_info; uint32_t rndis_msg_size; packet = &txd->netvsc_pkt; @@ -761,6 +763,18 @@ hn_encap(struct hn_tx_ring *txr, struct rndis_msg_size = RNDIS_MESSAGE_SIZE(rndis_packet); + /* + * Set the hash info for this packet, so that the host could + * dispatch the TX done event for this packet back to this TX + * ring's channel. + */ + rndis_msg_size += RNDIS_HASH_PPI_SIZE; + rppi = hv_set_rppi_data(rndis_mesg, RNDIS_HASH_PPI_SIZE, + nbl_hash_value); + hash_info = (struct ndis_hash_info *)((uint8_t *)rppi + + rppi->per_packet_info_offset); + hash_info->hash = txr->hn_tx_idx; + if (m_head->m_flags & M_VLANTAG) { ndis_8021q_info *rppi_vlan_info; @@ -2148,6 +2162,7 @@ hn_create_tx_ring(struct hn_softc *sc, i int error, i; txr->hn_sc = sc; + txr->hn_tx_idx = id; #ifndef HN_USE_TXDESC_BUFRING mtx_init(&txr->hn_txlist_spin, "hn txlist", NULL, MTX_SPIN); Modified: head/sys/dev/hyperv/netvsc/hv_rndis.h ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_rndis.h Tue Mar 1 03:41:48 2016 (r296251) +++ head/sys/dev/hyperv/netvsc/hv_rndis.h Tue Mar 1 04:59:18 2016 (r296252) @@ -608,6 +608,8 @@ typedef enum ndis_per_pkt_infotype_ { max_perpkt_info } ndis_per_pkt_infotype; +#define nbl_hash_value pkt_cancel_id + typedef struct ndis_8021q_info_ { union { struct { @@ -620,6 +622,10 @@ typedef struct ndis_8021q_info_ { } u1; } ndis_8021q_info; +struct ndis_hash_info { + uint32_t hash; +} __packed; + struct rndis_object_header { uint8_t type; uint8_t revision; @@ -713,6 +719,9 @@ typedef struct rndis_tcp_tso_info_ { }; } rndis_tcp_tso_info; +#define RNDIS_HASH_PPI_SIZE (sizeof(rndis_per_packet_info) + \ + sizeof(struct ndis_hash_info)) + #define RNDIS_VLAN_PPI_SIZE (sizeof(rndis_per_packet_info) + \ sizeof(ndis_8021q_info)) _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
