diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2018-11-19 15:21:45 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-19 18:53:46 -0800 |
| commit | f3d63720649413ac60f4723f117280391acd5015 (patch) | |
| tree | 9a57a6c3c08c9a1a71c9aa4b8fcf663c1d2f3766 /drivers/net/ethernet/netronome/nfp/abm/main.h | |
| parent | 990b50a53ad80fe4e0357c7cc41a393eea2b0d76 (diff) | |
nfp: abm: add GRED offload
Add support for GRED offload. It behaves much like RED, but
can apply different parameters to different bands. GRED operates
pretty much exactly like our HW/FW with a single FIFO and different
RED state instances.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/abm/main.h')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/abm/main.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/abm/main.h b/drivers/net/ethernet/netronome/nfp/abm/main.h index 47888288a706..6bb4e60c1ad8 100644 --- a/drivers/net/ethernet/netronome/nfp/abm/main.h +++ b/drivers/net/ethernet/netronome/nfp/abm/main.h @@ -8,6 +8,7 @@ #include <linux/radix-tree.h> #include <net/devlink.h> #include <net/pkt_cls.h> +#include <net/pkt_sched.h> /* Dump of 64 PRIOs and 256 REDs seems to take 850us on Xeon v4 @ 2.20GHz; * 2.5ms / 400Hz seems more than sufficient for stats resolution. @@ -89,6 +90,7 @@ enum nfp_qdisc_type { NFP_QDISC_NONE = 0, NFP_QDISC_MQ, NFP_QDISC_RED, + NFP_QDISC_GRED, }; #define NFP_QDISC_UNTRACKED ((struct nfp_qdisc *)1UL) @@ -139,7 +141,7 @@ struct nfp_qdisc { struct nfp_alink_stats stats; struct nfp_alink_stats prev_stats; } mq; - /* TC_SETUP_QDISC_RED */ + /* TC_SETUP_QDISC_RED, TC_SETUP_QDISC_GRED */ struct { unsigned int num_bands; @@ -149,7 +151,7 @@ struct nfp_qdisc { struct nfp_alink_stats prev_stats; struct nfp_alink_xstats xstats; struct nfp_alink_xstats prev_xstats; - } band[1]; + } band[MAX_DPs]; } red; }; }; @@ -164,6 +166,8 @@ struct nfp_qdisc { * * @last_stats_update: ktime of last stats update * + * @def_band: default band to use + * * @root_qdisc: pointer to the current root of the Qdisc hierarchy * @qdiscs: all qdiscs recorded by major part of the handle */ @@ -176,6 +180,8 @@ struct nfp_abm_link { u64 last_stats_update; + u8 def_band; + struct nfp_qdisc *root_qdisc; struct radix_tree_root qdiscs; }; @@ -192,6 +198,8 @@ int nfp_abm_setup_tc_red(struct net_device *netdev, struct nfp_abm_link *alink, struct tc_red_qopt_offload *opt); int nfp_abm_setup_tc_mq(struct net_device *netdev, struct nfp_abm_link *alink, struct tc_mq_qopt_offload *opt); +int nfp_abm_setup_tc_gred(struct net_device *netdev, struct nfp_abm_link *alink, + struct tc_gred_qopt_offload *opt); void nfp_abm_ctrl_read_params(struct nfp_abm_link *alink); int nfp_abm_ctrl_find_addrs(struct nfp_abm *abm); |