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Do not accept new frame until header is read

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This commit is contained in:
Alex Forencich 2014-11-17 18:10:35 -08:00
parent 4d1180d74c
commit 59952bd8cf
4 changed files with 4 additions and 4 deletions
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2
rtl/eth_mux.py
View File

@ -231,7 +231,7 @@ always @* begin
// end of frame detection // end of frame detection
frame_next = ~current_input_tlast; frame_next = ~current_input_tlast;
end end
end else if (enable & selected_input_eth_hdr_valid) begin end else if (enable & ~output_eth_hdr_valid & selected_input_eth_hdr_valid) begin
// start of frame, grab select value // start of frame, grab select value
frame_next = 1; frame_next = 1;
select_next = select; select_next = select;

2
rtl/eth_mux_4.v
View File

@ -240,7 +240,7 @@ always @* begin
// end of frame detection // end of frame detection
frame_next = ~current_input_tlast; frame_next = ~current_input_tlast;
end end
end else if (enable & selected_input_eth_hdr_valid) begin end else if (enable & ~output_eth_hdr_valid & selected_input_eth_hdr_valid) begin
// start of frame, grab select value // start of frame, grab select value
frame_next = 1; frame_next = 1;
select_next = select; select_next = select;

2
rtl/eth_mux_64.py
View File

@ -236,7 +236,7 @@ always @* begin
// end of frame detection // end of frame detection
frame_next = ~current_input_tlast; frame_next = ~current_input_tlast;
end end
end else if (enable & selected_input_eth_hdr_valid) begin end else if (enable & ~output_eth_hdr_valid & selected_input_eth_hdr_valid) begin
// start of frame, grab select value // start of frame, grab select value
frame_next = 1; frame_next = 1;
select_next = select; select_next = select;

2
rtl/eth_mux_64_4.v
View File

@ -251,7 +251,7 @@ always @* begin
// end of frame detection // end of frame detection
frame_next = ~current_input_tlast; frame_next = ~current_input_tlast;
end end
end else if (enable & selected_input_eth_hdr_valid) begin end else if (enable & ~output_eth_hdr_valid & selected_input_eth_hdr_valid) begin
// start of frame, grab select value // start of frame, grab select value
frame_next = 1; frame_next = 1;
select_next = select; select_next = select;