sfc: define inner/outer csum offload TXQ types

Nothing yet creates inner csum TXQs; just change all references to
 EFX_TXQ_TYPE_OFFLOAD to the new EFX_TXQ_TYPE_OUTER_CSUM.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/sfc/ef10.c

@@ -2146,7 +2146,7 @@ static int efx_ef10_irq_test_generate(struct efx_nic *efx)
 
 static int efx_ef10_tx_probe(struct efx_tx_queue *tx_queue)
 {
-	tx_queue->type = tx_queue->label & EFX_TXQ_TYPE_OFFLOAD;
+	tx_queue->type = tx_queue->label & EFX_TXQ_TYPE_OUTER_CSUM;
 	return efx_nic_alloc_buffer(tx_queue->efx, &tx_queue->txd.buf,
 				    (tx_queue->ptr_mask + 1) *
 				    sizeof(efx_qword_t),
@@ -2255,7 +2255,7 @@ static u32 efx_ef10_tso_versions(struct efx_nic *efx)
 
 static void efx_ef10_tx_init(struct efx_tx_queue *tx_queue)
 {
-	bool csum_offload = tx_queue->type & EFX_TXQ_TYPE_OFFLOAD;
+	bool csum_offload = tx_queue->type & EFX_TXQ_TYPE_OUTER_CSUM;
 	struct efx_channel *channel = tx_queue->channel;
 	struct efx_nic *efx = tx_queue->efx;
 	struct efx_ef10_nic_data *nic_data;

drivers/net/ethernet/sfc/farch.c

@@ -372,7 +372,7 @@ int efx_farch_tx_probe(struct efx_tx_queue *tx_queue)
 	struct efx_nic *efx = tx_queue->efx;
 	unsigned entries;
 
-	tx_queue->type = ((tx_queue->label & 1) ? EFX_TXQ_TYPE_OFFLOAD : 0) |
+	tx_queue->type = ((tx_queue->label & 1) ? EFX_TXQ_TYPE_OUTER_CSUM : 0) |
 			 ((tx_queue->label & 2) ? EFX_TXQ_TYPE_HIGHPRI : 0);
 	entries = tx_queue->ptr_mask + 1;
 	return efx_alloc_special_buffer(efx, &tx_queue->txd,
@@ -381,7 +381,7 @@ int efx_farch_tx_probe(struct efx_tx_queue *tx_queue)
 
 void efx_farch_tx_init(struct efx_tx_queue *tx_queue)
 {
-	int csum = tx_queue->type & EFX_TXQ_TYPE_OFFLOAD;
+	int csum = tx_queue->type & EFX_TXQ_TYPE_OUTER_CSUM;
 	struct efx_nic *efx = tx_queue->efx;
 	efx_oword_t reg;
 

drivers/net/ethernet/sfc/mcdi_functions.c

@@ -164,7 +164,7 @@ int efx_mcdi_tx_init(struct efx_tx_queue *tx_queue, bool tso_v2)
 {
 	MCDI_DECLARE_BUF(inbuf, MC_CMD_INIT_TXQ_IN_LEN(EFX_MAX_DMAQ_SIZE * 8 /
 						       EFX_BUF_SIZE));
-	bool csum_offload = tx_queue->type & EFX_TXQ_TYPE_OFFLOAD;
+	bool csum_offload = tx_queue->type & EFX_TXQ_TYPE_OUTER_CSUM;
 	size_t entries = tx_queue->txd.buf.len / EFX_BUF_SIZE;
 	struct efx_channel *channel = tx_queue->channel;
 	struct efx_nic *efx = tx_queue->efx;

drivers/net/ethernet/sfc/net_driver.h

@@ -63,9 +63,11 @@
  * queues. */
 #define EFX_MAX_TX_TC		2
 #define EFX_MAX_CORE_TX_QUEUES	(EFX_MAX_TX_TC * EFX_MAX_CHANNELS)
-#define EFX_TXQ_TYPE_OFFLOAD	1	/* flag */
-#define EFX_TXQ_TYPE_HIGHPRI	2	/* flag */
-#define EFX_TXQ_TYPES		4
+#define EFX_TXQ_TYPE_OUTER_CSUM	1	/* Outer checksum offload */
+#define EFX_TXQ_TYPE_INNER_CSUM	2	/* Inner checksum offload */
+#define EFX_TXQ_TYPE_HIGHPRI	4	/* High-priority (for TC) */
+#define EFX_TXQ_TYPES		8
+/* HIGHPRI is Siena-only, and INNER_CSUM is EF10, so no need for both */
 #define EFX_MAX_TXQ_PER_CHANNEL	4
 #define EFX_MAX_TX_QUEUES	(EFX_MAX_TXQ_PER_CHANNEL * EFX_MAX_CHANNELS)
 

drivers/net/ethernet/sfc/ptp.c

@@ -1081,9 +1081,9 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings)
 /* Transmit a PTP packet via the dedicated hardware timestamped queue. */
 static void efx_ptp_xmit_skb_queue(struct efx_nic *efx, struct sk_buff *skb)
 {
+	u8 type = skb->ip_summed == CHECKSUM_PARTIAL ? EFX_TXQ_TYPE_OUTER_CSUM : 0;
 	struct efx_ptp_data *ptp_data = efx->ptp_data;
 	struct efx_tx_queue *tx_queue;
-	u8 type = skb->ip_summed == CHECKSUM_PARTIAL ? EFX_TXQ_TYPE_OFFLOAD : 0;
 
 	tx_queue = efx_channel_get_tx_queue(ptp_data->channel, type);
 	if (tx_queue && tx_queue->timestamping) {

drivers/net/ethernet/sfc/selftest.c

@@ -657,7 +657,7 @@ static int efx_test_loopbacks(struct efx_nic *efx, struct efx_self_tests *tests,
 		/* Test all enabled types of TX queue */
 		efx_for_each_channel_tx_queue(tx_queue, channel) {
 			state->offload_csum = (tx_queue->type &
-					       EFX_TXQ_TYPE_OFFLOAD);
+					       EFX_TXQ_TYPE_OUTER_CSUM);
 			rc = efx_test_loopback(tx_queue,
 					       &tests->loopback[mode]);
 			if (rc)

drivers/net/ethernet/sfc/tx.c

@@ -506,7 +506,7 @@ netdev_tx_t efx_hard_start_xmit(struct sk_buff *skb,
 	EFX_WARN_ON_PARANOID(!netif_device_present(net_dev));
 
 	index = skb_get_queue_mapping(skb);
-	type = skb->ip_summed == CHECKSUM_PARTIAL ? EFX_TXQ_TYPE_OFFLOAD : 0;
+	type = skb->ip_summed == CHECKSUM_PARTIAL ? EFX_TXQ_TYPE_OUTER_CSUM : 0;
 	if (index >= efx->n_tx_channels) {
 		index -= efx->n_tx_channels;
 		type |= EFX_TXQ_TYPE_HIGHPRI;