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r8152: support skb_add_rx_frag
authorHayes Wang <hayeswang@realtek.com>
Tue, 13 Aug 2019 03:42:08 +0000 (11:42 +0800)
committerJakub Kicinski <jakub.kicinski@netronome.com>
Wed, 14 Aug 2019 01:12:08 +0000 (18:12 -0700)
commitfd411727aa271812dee71a9f1aa840fe6f00d20b
tree700df8ef6e8f48594c1c94b83a5cda660f726eb3tree | snapshot
parent699e8f7f782024bf768df02cf7522b0a504d4766commit | diff
r8152: support skb_add_rx_frag

Use skb_add_rx_frag() to reduce the memory copy for rx data.

Use a new list of rx_used to store the rx buffer which couldn't be
reused yet.

Besides, the total number of rx buffer may be increased or decreased
dynamically. And it is limited by RTL8152_MAX_RX_AGG.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
drivers/net/usb/r8152.c diff | blob | history
Linux Kernel Source Tree.