diff mbox series

[bpf-next,12/13] ice: remove next_{dd,rs} fields from ice_tx_ring

Message ID 20230131204506.219292-13-maciej.fijalkowski@intel.com (mailing list archive)
State Accepted
Commit f4db7b314dd54ab9335bb449640484a6f27baf28
Delegated to: BPF
Headers show
Series ice: add XDP mbuf support | expand

Checks

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bpf/vmtest-bpf-next-VM_Test-16 fail Logs for test_progs on s390x with gcc
bpf/vmtest-bpf-next-PR fail PR summary
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netdev/tree_selection success Clearly marked for bpf-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 3 this patch: 3
netdev/cc_maintainers warning 9 maintainers not CCed: john.fastabend@gmail.com pabeni@redhat.com daniel@iogearbox.net kuba@kernel.org jesse.brandeburg@intel.com edumazet@google.com hawk@kernel.org ast@kernel.org davem@davemloft.net
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
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Commit Message

Maciej Fijalkowski Jan. 31, 2023, 8:45 p.m. UTC 
Now that both ZC and standard XDP data paths stopped using Tx logic
based on next_dd and next_rs fields, we can safely remove these fields
and shrink Tx ring structure.

Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
---
 drivers/net/ethernet/intel/ice/ice_ethtool.c | 2 --
 drivers/net/ethernet/intel/ice/ice_main.c    | 2 --
 drivers/net/ethernet/intel/ice/ice_txrx.c    | 2 --
 drivers/net/ethernet/intel/ice/ice_txrx.h    | 2 --
 4 files changed, 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 205d32e4c317..1611f25b6d01 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -3027,8 +3027,6 @@  ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
 		/* clone ring and setup updated count */
 		xdp_rings[i] = *vsi->xdp_rings[i];
 		xdp_rings[i].count = new_tx_cnt;
-		xdp_rings[i].next_dd = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
-		xdp_rings[i].next_rs = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
 		xdp_rings[i].desc = NULL;
 		xdp_rings[i].tx_buf = NULL;
 		err = ice_setup_tx_ring(&xdp_rings[i]);
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index b04f7729d5ba..81b0437201a6 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -2570,8 +2570,6 @@  static int ice_xdp_alloc_setup_rings(struct ice_vsi *vsi)
 		xdp_ring->netdev = NULL;
 		xdp_ring->dev = dev;
 		xdp_ring->count = vsi->num_tx_desc;
-		xdp_ring->next_dd = ICE_RING_QUARTER(xdp_ring) - 1;
-		xdp_ring->next_rs = ICE_RING_QUARTER(xdp_ring) - 1;
 		WRITE_ONCE(vsi->xdp_rings[i], xdp_ring);
 		if (ice_setup_tx_ring(xdp_ring))
 			goto free_xdp_rings;
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index 38c6bd615127..8e211b210a24 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -174,8 +174,6 @@  void ice_clean_tx_ring(struct ice_tx_ring *tx_ring)
 
 	tx_ring->next_to_use = 0;
 	tx_ring->next_to_clean = 0;
-	tx_ring->next_dd = ICE_RING_QUARTER(tx_ring) - 1;
-	tx_ring->next_rs = ICE_RING_QUARTER(tx_ring) - 1;
 
 	if (!tx_ring->netdev)
 		return;
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h
index 55f47c560981..7903bb692c1f 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.h
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.h
@@ -343,8 +343,6 @@  struct ice_tx_ring {
 	struct xsk_buff_pool *xsk_pool;
 	u16 next_to_use;
 	u16 next_to_clean;
-	u16 next_rs;
-	u16 next_dd;
 	u16 q_handle;			/* Queue handle per TC */
 	u16 reg_idx;			/* HW register index of the ring */
 	u16 count;			/* Number of descriptors */