Date: Thu, 22 Mar 2018 02:04:57 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r331340 - head/sys/dev/cxgbe Message-ID: <201803220204.w2M24vLm040772@repo.freebsd.org>
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Author: np Date: Thu Mar 22 02:04:57 2018 New Revision: 331340 URL: https://svnweb.freebsd.org/changeset/base/331340 Log: cxgbe(4): Tunnel congestion drops on a port should be cleared when the stats for that port are cleared. MFC after: 1 week Sponsored by: Chelsio Communications Modified: head/sys/dev/cxgbe/t4_main.c Modified: head/sys/dev/cxgbe/t4_main.c ============================================================================== --- head/sys/dev/cxgbe/t4_main.c Thu Mar 22 01:00:55 2018 (r331339) +++ head/sys/dev/cxgbe/t4_main.c Thu Mar 22 02:04:57 2018 (r331340) @@ -9650,7 +9650,7 @@ t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t rc = read_i2c(sc, (struct t4_i2c_data *)data); break; case CHELSIO_T4_CLEAR_STATS: { - int i, v; + int i, v, bg_map; u_int port_id = *(uint32_t *)data; struct port_info *pi; struct vi_info *vi; @@ -9664,10 +9664,19 @@ t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t /* MAC stats */ t4_clr_port_stats(sc, pi->tx_chan); pi->tx_parse_error = 0; + pi->tnl_cong_drops = 0; mtx_lock(&sc->reg_lock); for_each_vi(pi, v, vi) { if (vi->flags & VI_INIT_DONE) t4_clr_vi_stats(sc, vi->viid); + } + bg_map = pi->mps_bg_map; + v = 0; /* reuse */ + while (bg_map) { + i = ffs(bg_map) - 1; + t4_write_indirect(sc, A_TP_MIB_INDEX, A_TP_MIB_DATA, &v, + 1, A_TP_MIB_TNL_CNG_DROP_0 + i); + bg_map &= ~(1 << i); } mtx_unlock(&sc->reg_lock);
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