diff options
| author | John Hurley <john.hurley@netronome.com> | 2018-05-23 19:22:55 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-05-24 23:10:57 -0400 |
| commit | 7e24a59311ea4a92c38f76756496b06293c50afb (patch) | |
| tree | 50e704d8844f8b1766f28fe085f7d588927dc29f /drivers/net/ethernet/netronome/nfp/flower/lag_conf.c | |
| parent | 2e1cc5226b44100696dcab2d59d6fbc789db6153 (diff) | |
nfp: flower: compute link aggregation action
If the egress device of an offloaded rule is a LAG port, then encode the
output port to the NFP with a LAG identifier and the offloaded group ID.
A prelag action is also offloaded which must be the first action of the
series (although may appear after other pre-actions - e.g. tunnels). This
causes the FW to check that it has the necessary information to output to
the requested LAG port. If it does not, the packet is sent to the kernel
before any other actions are applied to it.
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/lag_conf.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/lag_conf.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c index a09fe2778250..0c4c957717ea 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c +++ b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c @@ -184,6 +184,48 @@ nfp_fl_lag_find_group_for_master_with_lag(struct nfp_fl_lag *lag, return NULL; } +int nfp_flower_lag_populate_pre_action(struct nfp_app *app, + struct net_device *master, + struct nfp_fl_pre_lag *pre_act) +{ + struct nfp_flower_priv *priv = app->priv; + struct nfp_fl_lag_group *group = NULL; + __be32 temp_vers; + + mutex_lock(&priv->nfp_lag.lock); + group = nfp_fl_lag_find_group_for_master_with_lag(&priv->nfp_lag, + master); + if (!group) { + mutex_unlock(&priv->nfp_lag.lock); + return -ENOENT; + } + + pre_act->group_id = cpu_to_be16(group->group_id); + temp_vers = cpu_to_be32(priv->nfp_lag.batch_ver << + NFP_FL_PRE_LAG_VER_OFF); + memcpy(pre_act->lag_version, &temp_vers, 3); + pre_act->instance = group->group_inst; + mutex_unlock(&priv->nfp_lag.lock); + + return 0; +} + +int nfp_flower_lag_get_output_id(struct nfp_app *app, struct net_device *master) +{ + struct nfp_flower_priv *priv = app->priv; + struct nfp_fl_lag_group *group = NULL; + int group_id = -ENOENT; + + mutex_lock(&priv->nfp_lag.lock); + group = nfp_fl_lag_find_group_for_master_with_lag(&priv->nfp_lag, + master); + if (group) + group_id = group->group_id; + mutex_unlock(&priv->nfp_lag.lock); + + return group_id; +} + static int nfp_fl_lag_config_group(struct nfp_fl_lag *lag, struct nfp_fl_lag_group *group, struct net_device **active_members, |