Most FWs limit the number of TSO segments a frame can produce
to 64. This is for fairness and efficiency (of FW datapath)
reasons. If a frame with larger number of segments is submitted
the FW will drop it.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
netdev->min_mtu = ETH_MIN_MTU;
netdev->max_mtu = nn->max_mtu;
+ netdev->gso_max_segs = NFP_NET_LSO_MAX_SEGS;
+
netif_carrier_off(netdev);
nfp_net_set_ethtool_ops(netdev);
#define NFP_NET_RX_OFFSET 32
/**
- * Maximum header size supported for LSO frames
+ * LSO parameters
+ * %NFP_NET_LSO_MAX_HDR_SZ: Maximum header size supported for LSO frames
+ * %NFP_NET_LSO_MAX_SEGS: Maximum number of segments LSO frame can produce
*/
#define NFP_NET_LSO_MAX_HDR_SZ 255
+#define NFP_NET_LSO_MAX_SEGS 64
/**
* Prepend field types