sfc: factor out efx_tx_tso_header_length() and understand encapsulation

ef100 will need to check this against NIC limits.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree 2020-06-30 13:13:15 +01:00 • committed by David S. Miller
commit e7a256858f
2 changed files with 16 additions and 2 deletions