diff options
Diffstat (limited to 'include/linux/ethtool.h')
| -rw-r--r-- | include/linux/ethtool.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index c741d6403364..43a2a143034f 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -199,6 +199,17 @@ static inline u8 *ethtool_rxfh_context_key(struct ethtool_rxfh_context *ctx) return (u8 *)(ethtool_rxfh_context_indir(ctx) + ctx->indir_size); } +static inline size_t ethtool_rxfh_context_size(u32 indir_size, u32 key_size, + u16 priv_size) +{ + size_t indir_bytes = array_size(indir_size, sizeof(u32)); + size_t flex_len; + + flex_len = size_add(size_add(indir_bytes, key_size), + ALIGN(priv_size, sizeof(u32))); + return struct_size_t(struct ethtool_rxfh_context, data, flex_len); +} + /* declare a link mode bitmap */ #define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \ DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS) @@ -710,6 +721,8 @@ struct ethtool_rxfh_param { * contexts. * @cap_rss_sym_xor_supported: indicates if the driver supports symmetric-xor * RSS. + * @rxfh_priv_size: size of the driver private data area the core should + * allocate for an RSS context (in &struct ethtool_rxfh_context). * @supported_coalesce_params: supported types of interrupt coalescing. * @supported_ring_params: supported ring params. * @get_drvinfo: Report driver/device information. Modern drivers no @@ -895,6 +908,7 @@ struct ethtool_ops { u32 cap_link_lanes_supported:1; u32 cap_rss_ctx_supported:1; u32 cap_rss_sym_xor_supported:1; + u16 rxfh_priv_size; u32 supported_coalesce_params; u32 supported_ring_params; void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *); |