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sfc: factor out efx_tx_tso_header_length() and understand encapsulation

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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
parent 93841000ed
commit e7a256858f
2 changed files with 16 additions and 2 deletions
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drivers/net/ethernet/sfc/tx_common.h
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@@ -34,6 +34,7 @@ void efx_enqueue_unwind(struct efx_tx_queue *tx_queue,
struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue,
dma_addr_t dma_addr, size_t len);
int efx_tx_tso_header_length(struct sk_buff *skb);
int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
unsigned int segment_count);