From 9b7fe8046d7429ba776f962ad3b4b7ba2d6859c8 Mon Sep 17 00:00:00 2001 From: Bin Chen Date: Thu, 12 Jan 2023 13:11:02 +0100 Subject: nfp: add DCB IEEE support Add basic DCB IEEE support. This includes support for ETS, max-rate, and DSCP to user priority mapping. DCB may be configured using iproute2's dcb command. Example usage: dcb ets set dev $dev tc-tsa 0:ets 1:ets 2:ets 3:ets 4:ets 5:ets \ 6:ets 7:ets tc-bw 0:0 1:80 2:0 3:0 4:0 5:0 6:20 7:0 dcb maxrate set dev $dev tc-maxrate 1:1000bit And DCB configuration can be shown using: dcb ets show dev $dev dcb maxrate show dev $dev Signed-off-by: Bin Chen Signed-off-by: Simon Horman Link: https://lore.kernel.org/r/20230112121102.469739-1-simon.horman@corigine.com Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/netronome/nfp/nic/main.c | 39 +++++++++++++++++++++++++-- 1 file changed, 37 insertions(+), 2 deletions(-) (limited to 'drivers/net/ethernet/netronome/nfp/nic/main.c') diff --git a/drivers/net/ethernet/netronome/nfp/nic/main.c b/drivers/net/ethernet/netronome/nfp/nic/main.c index aea8579206ee..f78c2447d45b 100644 --- a/drivers/net/ethernet/netronome/nfp/nic/main.c +++ b/drivers/net/ethernet/netronome/nfp/nic/main.c @@ -5,6 +5,8 @@ #include "../nfpcore/nfp_nsp.h" #include "../nfp_app.h" #include "../nfp_main.h" +#include "../nfp_net.h" +#include "main.h" static int nfp_nic_init(struct nfp_app *app) { @@ -28,13 +30,46 @@ static void nfp_nic_sriov_disable(struct nfp_app *app) { } +static int nfp_nic_vnic_init(struct nfp_app *app, struct nfp_net *nn) +{ + nfp_nic_dcb_init(nn); + + return 0; +} + +static int nfp_nic_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, + unsigned int id) +{ + struct nfp_app_nic_private *app_pri = nn->app_priv; + int err; + + err = nfp_app_nic_vnic_alloc(app, nn, id); + if (err) + return err; + + if (sizeof(*app_pri)) { + nn->app_priv = kzalloc(sizeof(*app_pri), GFP_KERNEL); + if (!nn->app_priv) + return -ENOMEM; + } + + return 0; +} + +static void nfp_nic_vnic_free(struct nfp_app *app, struct nfp_net *nn) +{ + kfree(nn->app_priv); +} + const struct nfp_app_type app_nic = { .id = NFP_APP_CORE_NIC, .name = "nic", .init = nfp_nic_init, - .vnic_alloc = nfp_app_nic_vnic_alloc, - + .vnic_alloc = nfp_nic_vnic_alloc, + .vnic_free = nfp_nic_vnic_free, .sriov_enable = nfp_nic_sriov_enable, .sriov_disable = nfp_nic_sriov_disable, + + .vnic_init = nfp_nic_vnic_init, }; -- cgit v1.2.3