Author: arybchik Date: Fri Nov 30 07:09:23 2018 New Revision: 341317 URL: https://svnweb.freebsd.org/changeset/base/341317
Log: sfxge(4): infer port mode bandwidth from max link speed Limit the port mode bandwidth calculations by the maximum reported link speed. This system detects 25G vs 10G cards, and 100G port modes vs 40G. Submitted by: Richard Houldsworth <rhouldsworth at solarflare.com> Sponsored by: Solarflare Communications, Inc. Differential Revision: https://reviews.freebsd.org/D18279 Modified: head/sys/dev/sfxge/common/ef10_nic.c Modified: head/sys/dev/sfxge/common/ef10_nic.c ============================================================================== --- head/sys/dev/sfxge/common/ef10_nic.c Fri Nov 30 07:09:11 2018 (r341316) +++ head/sys/dev/sfxge/common/ef10_nic.c Fri Nov 30 07:09:23 2018 (r341317) @@ -160,9 +160,11 @@ ef10_nic_get_port_mode_bandwidth( { uint32_t port_modes; uint32_t current_mode; - uint32_t single_lane = 10000; - uint32_t dual_lane = 50000; - uint32_t quad_lane = 40000; + efx_port_t *epp = &(enp->en_port); + + uint32_t single_lane; + uint32_t dual_lane; + uint32_t quad_lane; uint32_t bandwidth; efx_rc_t rc; @@ -171,6 +173,21 @@ ef10_nic_get_port_mode_bandwidth( /* No port mode info available. */ goto fail1; } + + if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_25000FDX)) + single_lane = 25000; + else + single_lane = 10000; + + if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_50000FDX)) + dual_lane = 50000; + else + dual_lane = 20000; + + if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_100000FDX)) + quad_lane = 100000; + else + quad_lane = 40000; switch (current_mode) { case TLV_PORT_MODE_1x1_NA: /* mode 0 */ _______________________________________________ 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"
