On Fri, Aug 16, 2024 at 11:24:01AM +0200, Kurt Kanzenbach wrote:
> From: Sriram Yagnaraman <sriram.yagnara...@est.tech>
>
> Remove static qualifiers on the following functions to be able to call
> from XSK specific file that is added in the later patches:
> - igb_xdp_tx_queue_mapping()
> - igb_xdp_ring_update_tail()
> - igb_clean_tx_ring()
> - igb_clean_rx_ring()
> - igb_xdp_xmit_back()
> - igb_process_skb_fields()
How about inlining some of these that are small enough?
- igb_xdp_tx_queue_mapping()
- igb_xdp_ring_update_tail()
>
> Signed-off-by: Sriram Yagnaraman <sriram.yagnara...@est.tech>
> [Kurt: Split patches]
> Signed-off-by: Kurt Kanzenbach <k...@linutronix.de>
> ---
> drivers/net/ethernet/intel/igb/igb.h | 8 ++++++++
> drivers/net/ethernet/intel/igb/igb_main.c | 18 ++++++++----------
> 2 files changed, 16 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/net/ethernet/intel/igb/igb.h
> b/drivers/net/ethernet/intel/igb/igb.h
> index 3c2dc7bdebb5..c718e3d14401 100644
> --- a/drivers/net/ethernet/intel/igb/igb.h
> +++ b/drivers/net/ethernet/intel/igb/igb.h
> @@ -718,6 +718,8 @@ extern char igb_driver_name[];
> int igb_xmit_xdp_ring(struct igb_adapter *adapter,
> struct igb_ring *ring,
> struct xdp_frame *xdpf);
> +struct igb_ring *igb_xdp_tx_queue_mapping(struct igb_adapter *adapter);
> +void igb_xdp_ring_update_tail(struct igb_ring *ring);
> int igb_open(struct net_device *netdev);
> int igb_close(struct net_device *netdev);
> int igb_up(struct igb_adapter *);
> @@ -731,12 +733,18 @@ int igb_setup_tx_resources(struct igb_ring *);
> int igb_setup_rx_resources(struct igb_ring *);
> void igb_free_tx_resources(struct igb_ring *);
> void igb_free_rx_resources(struct igb_ring *);
> +void igb_clean_tx_ring(struct igb_ring *tx_ring);
> +void igb_clean_rx_ring(struct igb_ring *rx_ring);
> void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
> void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
> void igb_setup_tctl(struct igb_adapter *);
> void igb_setup_rctl(struct igb_adapter *);
> void igb_setup_srrctl(struct igb_adapter *, struct igb_ring *);
> netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *);
> +int igb_xdp_xmit_back(struct igb_adapter *adapter, struct xdp_buff *xdp);
> +void igb_process_skb_fields(struct igb_ring *rx_ring,
> + union e1000_adv_rx_desc *rx_desc,
> + struct sk_buff *skb);
> void igb_alloc_rx_buffers(struct igb_ring *, u16);
> void igb_update_stats(struct igb_adapter *);
> bool igb_has_link(struct igb_adapter *adapter);
> diff --git a/drivers/net/ethernet/intel/igb/igb_main.c
> b/drivers/net/ethernet/intel/igb/igb_main.c
> index 4d5e5691c9bd..0b81665b2478 100644
> --- a/drivers/net/ethernet/intel/igb/igb_main.c
> +++ b/drivers/net/ethernet/intel/igb/igb_main.c
> @@ -115,8 +115,6 @@ static void igb_configure_tx(struct igb_adapter *);
> static void igb_configure_rx(struct igb_adapter *);
> static void igb_clean_all_tx_rings(struct igb_adapter *);
> static void igb_clean_all_rx_rings(struct igb_adapter *);
> -static void igb_clean_tx_ring(struct igb_ring *);
> -static void igb_clean_rx_ring(struct igb_ring *);
> static void igb_set_rx_mode(struct net_device *);
> static void igb_update_phy_info(struct timer_list *);
> static void igb_watchdog(struct timer_list *);
> @@ -2915,7 +2913,7 @@ static int igb_xdp(struct net_device *dev, struct
> netdev_bpf *xdp)
> }
>
> /* This function assumes __netif_tx_lock is held by the caller. */
> -static void igb_xdp_ring_update_tail(struct igb_ring *ring)
> +void igb_xdp_ring_update_tail(struct igb_ring *ring)
> {
> /* Force memory writes to complete before letting h/w know there
> * are new descriptors to fetch.
> @@ -2924,7 +2922,7 @@ static void igb_xdp_ring_update_tail(struct igb_ring
> *ring)
> writel(ring->next_to_use, ring->tail);
> }
>
> -static struct igb_ring *igb_xdp_tx_queue_mapping(struct igb_adapter *adapter)
> +struct igb_ring *igb_xdp_tx_queue_mapping(struct igb_adapter *adapter)
> {
> unsigned int r_idx = smp_processor_id();
>
> @@ -2934,7 +2932,7 @@ static struct igb_ring *igb_xdp_tx_queue_mapping(struct
> igb_adapter *adapter)
> return adapter->tx_ring[r_idx];
> }
>
> -static int igb_xdp_xmit_back(struct igb_adapter *adapter, struct xdp_buff
> *xdp)
> +int igb_xdp_xmit_back(struct igb_adapter *adapter, struct xdp_buff *xdp)
> {
> struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
> int cpu = smp_processor_id();
> @@ -4880,7 +4878,7 @@ static void igb_free_all_tx_resources(struct
> igb_adapter *adapter)
> * igb_clean_tx_ring - Free Tx Buffers
> * @tx_ring: ring to be cleaned
> **/
> -static void igb_clean_tx_ring(struct igb_ring *tx_ring)
> +void igb_clean_tx_ring(struct igb_ring *tx_ring)
> {
> u16 i = tx_ring->next_to_clean;
> struct igb_tx_buffer *tx_buffer = &tx_ring->tx_buffer_info[i];
> @@ -4999,7 +4997,7 @@ static void igb_free_all_rx_resources(struct
> igb_adapter *adapter)
> * igb_clean_rx_ring - Free Rx Buffers per Queue
> * @rx_ring: ring to free buffers from
> **/
> -static void igb_clean_rx_ring(struct igb_ring *rx_ring)
> +void igb_clean_rx_ring(struct igb_ring *rx_ring)
> {
> u16 i = rx_ring->next_to_clean;
>
> @@ -8768,9 +8766,9 @@ static bool igb_cleanup_headers(struct igb_ring
> *rx_ring,
> * order to populate the hash, checksum, VLAN, timestamp, protocol, and
> * other fields within the skb.
> **/
> -static void igb_process_skb_fields(struct igb_ring *rx_ring,
> - union e1000_adv_rx_desc *rx_desc,
> - struct sk_buff *skb)
> +void igb_process_skb_fields(struct igb_ring *rx_ring,
> + union e1000_adv_rx_desc *rx_desc,
> + struct sk_buff *skb)
> {
> struct net_device *dev = rx_ring->netdev;
>
>
> --
> 2.39.2
>
