linux-kernel - [RFC Optimizing veth xsk performance 08/10] xdp: add xdp_mem_type MEM_TYPE_XSK_BUFF_POOL

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Message-Id: <20230803140441.53596-9-huangjie.albert@bytedance.com>
Date:   Thu,  3 Aug 2023 22:04:34 +0800
From:   "huangjie.albert" <huangjie.albert@...edance.com>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com
Cc:     "huangjie.albert" <huangjie.albert@...edance.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Björn Töpel <bjorn@...nel.org>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Pavel Begunkov <asml.silence@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Shmulik Ladkani <shmulik.ladkani@...il.com>,
        Richard Gobert <richardbgobert@...il.com>,
        Yunsheng Lin <linyunsheng@...wei.com>,
        netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
        linux-kernel@...r.kernel.org (open list),
        bpf@...r.kernel.org (open list:XDP (eXpress Data Path))
Subject: [RFC Optimizing veth xsk performance 08/10] xdp: add xdp_mem_type MEM_TYPE_XSK_BUFF_POOL_TX

this type of xdp mem will be used for zero copy in
later patch

Signed-off-by: huangjie.albert <huangjie.albert@...edance.com>
---
 include/net/xdp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/net/xdp.h b/include/net/xdp.h
index d1c5381fc95f..cb1621b5a0c9 100644
--- a/include/net/xdp.h
+++ b/include/net/xdp.h
@@ -42,6 +42,7 @@ enum xdp_mem_type {
 	MEM_TYPE_PAGE_ORDER0,     /* Orig XDP full page model */
 	MEM_TYPE_PAGE_POOL,
 	MEM_TYPE_XSK_BUFF_POOL,
+	MEM_TYPE_XSK_BUFF_POOL_TX,
 	MEM_TYPE_MAX,
 };
 
-- 
2.20.1