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From: Bin Meng <bmeng.cn@gmail.com>
To: "Jason Wang" <jasowang@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	qemu-devel@nongnu.org
Subject: [PATCH v5 08/12] hw/net: ne2000: Remove the logic of padding short frames in the receive path
Date: Wed, 17 Mar 2021 14:26:34 +0800	[thread overview]
Message-ID: <20210317062638.72626-9-bmeng.cn@gmail.com> (raw)
In-Reply-To: <20210317062638.72626-1-bmeng.cn@gmail.com>

Now that we have implemented unified short frames padding in the
QEMU networking codes, remove the same logic in the NIC codes.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
---

(no changes since v1)

 hw/net/ne2000.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c
index 6c17ee1ae2..b0a120ece6 100644
--- a/hw/net/ne2000.c
+++ b/hw/net/ne2000.c
@@ -167,15 +167,12 @@ static int ne2000_buffer_full(NE2000State *s)
     return 0;
 }
 
-#define MIN_BUF_SIZE 60
-
 ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
 {
     NE2000State *s = qemu_get_nic_opaque(nc);
     size_t size = size_;
     uint8_t *p;
     unsigned int total_len, next, avail, len, index, mcast_idx;
-    uint8_t buf1[60];
     static const uint8_t broadcast_macaddr[6] =
         { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 
@@ -213,15 +210,6 @@ ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
         }
     }
 
-
-    /* if too small buffer, then expand it */
-    if (size < MIN_BUF_SIZE) {
-        memcpy(buf1, buf, size);
-        memset(buf1 + size, 0, MIN_BUF_SIZE - size);
-        buf = buf1;
-        size = MIN_BUF_SIZE;
-    }
-
     index = s->curpag << 8;
     if (index >= NE2000_PMEM_END) {
         index = s->start;
-- 
2.17.1



  parent reply	other threads:[~2021-03-17  6:49 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-17  6:26 [PATCH v5 00/12] net: Pad short frames for network backends Bin Meng
2021-03-17  6:26 ` [PATCH v5 01/12] net: eth: Add a helper to pad a short Ethernet frame Bin Meng
2021-03-17  6:26 ` [PATCH v5 02/12] net: Add a 'do_not_pad" to NetClientState Bin Meng
2021-03-17  6:26 ` [PATCH v5 03/12] net: Pad short frames to minimum size before sending from SLiRP/TAP Bin Meng
2021-03-17  6:26 ` [PATCH v5 04/12] hw/net: virtio-net: Initialize nc->do_not_pad to true Bin Meng
2021-03-17  6:26 ` [PATCH v5 05/12] hw/net: e1000: Remove the logic of padding short frames in the receive path Bin Meng
2021-03-17  6:26 ` [PATCH v5 06/12] hw/net: vmxnet3: " Bin Meng
2021-03-17  6:26 ` [PATCH v5 07/12] hw/net: i82596: " Bin Meng
2021-03-17  6:26 ` Bin Meng [this message]
2021-03-17  6:26 ` [PATCH v5 09/12] hw/net: pcnet: " Bin Meng
2021-03-17  6:26 ` [PATCH v5 10/12] hw/net: rtl8139: " Bin Meng
2021-03-17  6:26 ` [PATCH v5 11/12] hw/net: sungem: " Bin Meng
2021-03-17  6:26 ` [PATCH v5 12/12] hw/net: sunhme: " Bin Meng
2021-03-22  1:28 ` [PATCH v5 00/12] net: Pad short frames for network backends Bin Meng
2021-03-22  7:08 ` Jason Wang
2021-05-14  5:10   ` Bin Meng

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