Yes, simply remove then nested generate
/endgenerate
keywords.
See IEEE Std 1800-2012 § 27 Generate constructs.
//TAPS_PER_CHAN is a value defined when the code is built
genvar srcNode, dstNode, tapIdx;
generate
for (dstNode=0; dstNode<NODES; dstNode=dstNode+1)
begin: dstForLoop
// generate <-- remove this
if(TAPS_PER_CHAN <= 4)
begin
call module one
end
else if (TAPS_PER_CHAN <= 8)
begin
call module two
end
else if (TAPS_PER_CHAN <= 16)
begin
call module three
end
// endgenerate <-- remove this
end
endgenerate
example here