Author: np Date: Mon Apr 24 22:35:00 2017 New Revision: 317390 URL: https://svnweb.freebsd.org/changeset/base/317390
Log: Flush the LRO ctrl as soon as lro_mbufs fills up. There is no need to wait for the next enqueue from the driver. Reviewed by: gnn@, hselasky@, gallatin@ MFC after: 1 week Sponsored by: Chelsio Communications Differential Revision: https://reviews.freebsd.org/D10432 Modified: head/sys/netinet/tcp_lro.c Modified: head/sys/netinet/tcp_lro.c ============================================================================== --- head/sys/netinet/tcp_lro.c Mon Apr 24 22:31:56 2017 (r317389) +++ head/sys/netinet/tcp_lro.c Mon Apr 24 22:35:00 2017 (r317390) @@ -959,10 +959,6 @@ tcp_lro_queue_mbuf(struct lro_ctrl *lc, return; } - /* check if array is full */ - if (__predict_false(lc->lro_mbuf_count == lc->lro_mbuf_max)) - tcp_lro_flush_all(lc); - /* create sequence number */ lc->lro_mbuf_data[lc->lro_mbuf_count].seq = (((uint64_t)M_HASHTYPE_GET(mb)) << 56) | @@ -970,7 +966,11 @@ tcp_lro_queue_mbuf(struct lro_ctrl *lc, ((uint64_t)lc->lro_mbuf_count); /* enter mbuf */ - lc->lro_mbuf_data[lc->lro_mbuf_count++].mb = mb; + lc->lro_mbuf_data[lc->lro_mbuf_count].mb = mb; + + /* flush if array is full */ + if (__predict_false(++lc->lro_mbuf_count == lc->lro_mbuf_max)) + tcp_lro_flush_all(lc); } /* end */ _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
